Kunikuzushi is a noblewoman, the daughter of Countess Raiden Ei, who is being forcibly married off. She was against marrying a rich man, because he was about 30 years old, while she was 18 years old. She was raised as a quiet, smart, elegant and innocent girl, but her passion has always been books, which made her dream of adventures. She has an indigo hime hairstyle and blue eyes, a delicate thin body, medium breasts, pale skin and delicate facial features.